I can't speak for others, but I suspect the downvotes are because this information is easily found by using man, which should be the first source of information when wanting to know more about a utility. I would encourage people not to downvote a question for that reason. See the discussion here: meta.unix.stackexchange.com/questions/203/…
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Shawn J. GoffOct 29 '11 at 20:49

ty, but where can you see this in the "man"? -->> "preserve the permissions/user/group" ?
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LanceBaynesOct 30 '11 at 9:05

Really? It generally works just fine for me. How exactly does not not work for you, and on what system(s)?
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Keith ThompsonOct 29 '11 at 22:27

@KeithThompson Sorry for the late answer to your comment. I have this problem (soft-link-time) on CentOS 5.8 and SLES10 SP4. I found no system call that is able to change the time of a soft-link (on these systems) - perhaps that is the source of the problem.
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NilsJun 10 '12 at 21:05